Home / 839,115.60-1,258,673.40-240,096.30

Finding the Fourth Proportional to 839,115.60, 1,258,673.40 and 240,096.30

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Solution

The fourth proportional to 839,115.60, 1,258,673.40 and 240,096.30 is: 360,144.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,115.60 : 1,258,673.40 = 240,096.30 : x
  2. Step 2: Convert to fraction form
    839,115.60/1,258,673.40 = 240,096.30/x
  3. Step 3: Cross multiply
    839,115.60x = 1,258,673.40 × 240,096.30
  4. Step 4: Simplify right side
    839,115.60x = 302,202,826,248.42
  5. Step 5: Solve for x
    x = 302,202,826,248.42/839,115.60
  6. Step 6: Final answer
    x = 360,144.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.